ICSE − Q & A

A block and tackle system of 5 pulleys is used to raise a load of 50 kgf steadily through a height of 20 m. The work done against friction is 2000J.  Calculate the work done by the effort, efficiency of the system and  mechanical advantage. 
Pls help!

those who have concise physics tb,can anyone plz explain the 2nd experiment on pg 160...why is amp. of B max when apm. of A is min?

Do we need to draw an envelope in hindi letter?

http://www.respaper.com/dgenerationx/4362-pdf.html?cmd=conv. This two papers are good for physics. Try it.

what is the location of a coronary artery??someone pls give a proper location

Question : 2 factors on which magnitude of induced emf in secondary coil depends.
Answer: It should be turns ratio and magnitude of emf in primary coil right?
But in the 2014 pupil analysis, it is given change in magnetic flux and rate of change of magnetic flux.
What is the correct answer?

Hey guys I have uploaded physics papers its quite challenging and all questions are within our scope...
http://www.respaper.com/anurag45/4894-pdf.html
http://www.respaper.com/anurag45/2062-pdf.html

Can someone pls give link for tough physics paper?

hey guys plz can u tell in biology the definition of BINOCULAR VISION its a sureshot question

Hey anybody is appearing for Bengali tomorrow😁😁😁😇